Sunday, January 23rd, 2011
Engine stall
There are many conditions under which engine stall occurs.
• When the engine is idling, the engine speed becomes unstable and the engine stalls.
• While the vehicle is running, when ...
Posted in Troubleshooting | No Comments »
Thursday, January 20th, 2011
In the case of the gasoline engine:
• Ignition system
When the ignition spark is weak or has no spark, the DTC relating to the ignition signal or relevant area is not ...
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Wednesday, January 19th, 2011
Malfunctions regarding the engine start are roughly classified into two groups.
• The engine is not cranked properly
• The engine is cranked but does not start easily
• When devising the procedures ...
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Wednesday, January 5th, 2011
Purpose of inspection
The cause of malfunctions related to engine starting differs depending on whether the initial combustion occurs or not, or whether starting takes too much time or not. Therefore, ...
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Thursday, December 30th, 2010
The intake shutter is mounted on the intake manifold. The intake shutter is fully open when the engine is operating. To stop the engine, the VSV operates in accordance with ...
Posted in Diesel Engine Control System | No Comments »
Wednesday, December 29th, 2010
The diesel throttle is mounted on the intake manifold. The throttle valve, which operates independently from the accelerator pedal, uses the diesel throttle control motor (step motor) to regulate the ...
Posted in Diesel Engine Control System | No Comments »
Tuesday, December 28th, 2010
Determining Common-rail Fuel Pressure
A fuel pressure that matches the operating conditions of the engine is calculated according to the actual injection volume that has been determined based on the signals ...
Posted in Diesel Engine Control System | No Comments »
Monday, December 27th, 2010
1. Engine speed correction control
Symptom:
Increased injection volume due to a rise in the pressure in the pump.
Description of control:
Injection volume reduced according to the engine speed.
2. ECT control
Symptom:
Shocks occurs during ...
Posted in Diesel Engine Control System | No Comments »
Monday, December 27th, 2010
The ECU performs the following functions to determine the injection timing:
Conventional EFI-diesel
1. Determination of the target injection timing
2. Detection of the actual injection timing
3. Comparison of the target injection timing ...
Posted in Diesel Engine Control System | No Comments »
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